Re: [PATCH 1/1] fat: improve sync performance by grouping writes in fat_mirror_bhs [really unmangled]

["Holden Karau" <holden@pigscanfly.ca>]

Based on some rather off-the cuff bench marking I've done I get around
a 5 to 10% performance improve over the stock 2.6.18.1 performance. As
the saying goes, there are lies, damn lies, and bench marks, so YMMV.

On 10/26/06, Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> Holden Karau wrote:
> > From: Holden Karau <holden@pigscanfly.ca> http://www.holdenkarau.com
> >
> > This is an attempt at improving fat_mirror_bhs in sync mode [namely it
> > writes all of the data for a backup block, and then blocks untill
> > finished]. The old behaviour would write & block in smaller chunks, so
> > this should be slightly faster. It also removes the fixme requesting
> > that it be fixed to behave this way :-)
> > Signed-off-by: Holden Karau <holden@pigscanfly.ca> http://www.holdenkarau.com
>
> So how much is performance improved?
>
> --
> SUSE Labs, Novell Inc.
> Send instant messages to your online friends http://au.messenger.yahoo.com


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